package com.kingwang.training.designpattern.srp.bo.srp;

/**
 * 光猫
 */
public class OpticalModem implements ConnectionManager, DataChannel {
    @Override
    public void dial(String username, String password) {

    }

    @Override
    public void hangup() {

    }

    @Override
    public void send(Byte data) {

    }

    @Override
    public Byte receive() {
        return null;
    }
}
